Finding the Fourth Proportional to 1,576,641.22, 2,175,764.36 and 851,489.10
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Solution
The fourth proportional to 1,576,641.22, 2,175,764.36 and 851,489.10 is: 1,175,054.68
Step by Step Solution
- Step 1: Write the proportion equation
1,576,641.22 : 2,175,764.36 = 851,489.10 : x - Step 2: Convert to fraction form
1,576,641.22/2,175,764.36 = 851,489.10/x - Step 3: Cross multiply
1,576,641.22x = 2,175,764.36 × 851,489.10 - Step 4: Simplify right side
1,576,641.22x = 1,852,639,636,708.48 - Step 5: Solve for x
x = 1,852,639,636,708.48/1,576,641.22 - Step 6: Final answer
x = 1,175,054.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.